... taxi advertising player with USB/SD port built ... 7 inch Taxi advertising player with SD/MMC port 1.7 ... .Supporting USB document,LAN,WIFI to update advertisements 4.LAN updating ... game, dialogue and so on to make the advertising more affinity 10 ... , super interactive 11.Can connect to taximeter switching on/off, setting time ... on/off12.Audio output: stereo trumpet13.With body sensor and mute function 7 ...